Does formatting change how the HTML renders?

No — only whitespace and indentation change. The tags, attributes and text content are preserved exactly, so rendered output is identical.

Can this handle a full HTML document?

Yes, paste anything from a single element to a full document with a doctype, head and body — it formats the whole thing consistently.

Beautify minified or messy HTML with proper indentation.

INPUT

OUTPUT

Processed 100% in your browser — nothing you enter here is ever uploaded.

Many CMS exports collapse everything onto one line — reformat the export so it's actually reviewable in a diff.

Check the structure of an HTML email template is correct before it goes out to a real audience.

Turn the raw HTML captured by a scraping script into something readable enough to find the selectors you need.

Paste minified, inline, or inconsistently indented HTML into the input panel.

Click Format to get clean, consistently indented markup.

Copy the result straight into your editor or template file.